Culture of macroalgae spirogyra ellipsospora for long. Pigmen dominan karoten berupa xantofil yang memberikan warna keemasan. Identification of spirogyra species zygnemataceae by traits of sexual reproduction induced under laboratory culture conditions. Choose from 35 different sets of spirogyra flashcards on quizlet. The spirogyra cycle in lakes spirogyra starts growth in the spring and appears as green clouds near the lake bottom. Mar 31, 2017 spirogyra is a green algae belonging to the class chlorophyceae. May 23, 2019 download pdf introduction spirogyra link zygnemataceae, zygnematales is a genus in the class zygnematophyceae conjugatophyceae, which is a component member of the infrakingdom streptophyta 1, 2. Bahan baku bioetanol dapat berasal dari alga spirogyra sp yang. Our results demonstrated that cyanobacteria strains nostoc sp.
This finding demonstrates the allelopathic activity of the green alga spirogyra. The genus spirogyra comprises more than 300 species and most of them are free floating algae. Spirogyra is a filamentous charophyte green algae of the order zygnematales, named for the. Hidden genetic diversity in the green alga spirogyra. In some spirogyra species, conjugation was induced by lowering or depletion of nitrogen content grote 1977. Spirogyra is a filamentous algae, commonly found in freshwater ditches and ponds. The dna fragments and the rbcl sequence data grouped the spirogyra specimens into two. The effects of light and carbon sources were investigated on growth of the algae spirogyra sp, removal of nitrate, nitrite, phosphate, chemical oxygen demand cod and ph changes. Spirogyrahabitat, structure, reproduction and germination of. Biodiesel fuel production from algae as renewable energy um. Under unfavourable conditions, the protoplast of each vegetative cell shrinks and develops a. Microtubules appeared in the polar cytoplasm at prophase and by prometaphase they penetrated the nucleus.
Sediments glycerine, water and pigments was higher in spirogyra than oedogonium sp. Putative secondary structure model of the nuclear encoded ssu rrna of spirogyra sp strain wrh5 acc. Spirogyra definition of spirogyra by medical dictionary. Spirogyra is a green algae belonging to the class chlorophyceae. Blooms of other macroalgae, including zygnema and spirogyra spp. Page designed through the cooperative efforts of interagency itis teams. Hence, this study is aimed at determining the morphological traits, the molecular identification and genetic relationships of spirogyra from northeastern and northern thailand using the genotyping of the issr markers due to the fact that the morphological characteristics of spirogyra may change according to the specific ecological conditions. Collections were made periodically between march 1978, and november 1979, from a pond in mill seek sanctuary near. Algal oil and biodiesel ester production was higher in oedogonium than spirogyra sp. Martin cockerham is the main man here composing all the songs while also singing and playing guitar. To my knowledge, spirogyra simple floats to the surface probably due to the oxygen it produces during photosynthesis. Metabolism of spirogyra during the conjugation process nature. Morphological and molecular profiling of spirogyra from.
Nov 22, 2008 to my knowledge, spirogyra simple floats to the surface probably due to the oxygen it produces during photosynthesis. Protective effect of a freshwater alga, spirogyra sp. Assessment of phycoremediation efficiency of spirogyra. Pdf phycoremediation of zinc by spirogyra and richterella. Owing its generic name, spirogyra, to the unique manner in which members of this genus twist their green chloroplasts into spirals, this key characteristic makes it easy to recognize species in this cosmopolitan genus of the phylum gamophyta conjugating green algae in the division chlorophyta. Radigunds is a music studio album recording by spirogyra prog folkprogressive rock released in 1971 on cd, lp vinyl andor cassette. However, in some culturestress conditions the microalga appears yellow or orange.
Named for their beautiful spiral chloroplasts, spirogyras are filamentous algae that consist of thin unbranched chains of cylindrical cells. Spirogyra is also known as pond silk, as its filaments shine like silk due to the presence of mucilage. Spirogyrahabitat, structure, reproduction and germination. Spirogyra common names include water silk, mermaids tresses, and blanket weed is a filamentous charophyte green algae of the order zygnematales, named for the helical or spiral arrangement of the chloroplasts that is characteristic of the genus. There was no difference of ph between spirogyra and oedogonium sp. Comparing protists paramecium habitatparamecium live in aquatic environments, usually in stagnant, warm water. Allelopathic activity of spirogyra sp stimulating bloom formation. Spirogyra definition is any of a genus spirogyra of freshwater green algae with spiral chloroplasts. Pdf identification of spirogyra species zygnemataceae. This page was last edited on 25 december 2019, at 12. Files are available under licenses specified on their description page. By preprophase many of the typical transverse wall micro. Assessment of phycoremediation efficiency of spirogyra sp. Spirogyra, any member of a genus of some 400 species of freefloating green algae found in freshwater environments around the world.
The aim of this study is to evaluate the use of spirogyra sp. Spirogyra is a genus of green algae of the order zygnematales. Spirogyra have a sprial arrangement of chloroplasts and are commonly found in fresh water ponds. Asexual cycles involve the formation of aplanospores, akinetest, azygospores fig. Remote sensing data indicate that up to 66% of the shoreline in western lake ontario in 1972 was covered by cladophora wezernak and lyzenga, 1975. Spirogyra definition of spirogyra by merriamwebster. Life cycle of spirogyra and germination of zygospore. However, biomass after oil extraction was higher in spirogyra than oedogonium sp. Ciri khas navicula sp bagian pinggirnya bergerigi pada bagian dalam yaitu dinding sel terdiri atas dua belahan atau katup yang saling menutup. Asexual life cycle is less common and reported only in a few spirogyra sp. The spirogyra cycle in lakes wisconsin department of. Another genus, mougeotia, can rotate its single, flat chloroplast to get maximum exposure to the sun or turn it. Molecular identification and phylogenetic relationship of green.
Turgor pressure regulation and the orientation of cortical. It is commonly found in freshwater areas, and there are more than 400 species of spirogyra in the world. The outer cell wall has pectin which dissolves continuously, thereby producing the mucilage. Spirogyra is a genus of filamentous green algae of the order zygnematales, named for the helical or spiral arrangement of the chloroplasts that is diagnostic of the genus. The paramecium moves by spiraling through the water on an invisible axis. Pdf diversity of the filamentous green algae in the genus spirogyra zygnematophyceae was.
The cell wall of spirogyra has two layers the outer wall is composed of pectin that dissolves in water to make the filament slimy to touch while the inner wall is made up of cellulose. Spirogyra definition and meaning collins english dictionary. Studies on conjugation of spirogyra using monoclonal culture. Fairport conventions drummer would guest on this one and a couple of more i believe. Spirogyra article about spirogyra by the free dictionary. Go through this article for a brief overview about these algae.
Download pdf introduction spirogyra link zygnemataceae, zygnematales is a genus in the class zygnematophyceae conjugatophyceae, which is a component member of the infrakingdom streptophyta 1, 2. Spesies yang ditemukan yaitu navicula sp dengan pergerakan yang lambat. Spirogyra biomass a renewable source for biofuel bioethanol production. It contains about 1121% of lipids and a high content of sugar, about 3364%. Under unfavourable conditions, the protoplast of each vegetative cell shrinks and develops a wall around it to form an aplanospore. Metabolic changes corresponding with morphological change during the conjugation process of spirogyra sp. Initially, less than 1% of the total field population of spirogyra sp. The filaments of a spirogyra consist of a single row of cells containing one or more spiral ribbons of chloroplasts. Assessment of phycoremediation efficiency of spirogyra sp pdf. Biology paramecium vs spirogyra by hassan ali on prezi. Some forms of filamentous algae are commonly referred to as frog spittle or water net. Pdf spirogyra biomass a renewable source for biofuel. Pdf identity and phylogenetic placement of spirogyra species.
Another genus, mougeotia, can rotate its single, flat chloroplast to get maximum exposure to the sun or turn it on edge to reduce exposure. However, in some culturestress conditions the macroalga. Occurrence of cyanobacteria in irrigation canals containing and not containing spirogyra sp. Identification of spirogyra species zygnemataceae by. Hosted by the usgs core science analytics and synthesis. All structured data from the file and property namespaces is available under the creative commons cc0 license. All three spirogyra did not show conjugation by incubation on agar plate. Spirogyra is an english progressive folk band that recorded three albums between 1971 and 1973, with further original albums in 2009 and 2011. Spirogyra were a british folk band from canterbury who forged a pretty good career for themselves. We are committed to provide fast and quality service for the scholarly community. Shop for vinyl, cds and more from spirogyra at the discogs marketplace. Upper sabino, cells show conjugation tubes formed, protoplasts about to make contact, starch accum ulation appears and female gametangium.
815 713 468 830 373 355 387 604 1153 532 240 273 364 837 1503 287 1392 905 1070 1052 566 1571 1327 427 1105 1313 1276 496 899 428 485 1496 799 1314 298 41 222 821 969